Treasury of Scripture Knowledge

Summary

Then your south quarter shall be from the wilderness of Zin along by the coast of Edom, and your south border shall be the outmost coast of the salt sea eastward:

Bible References

South quarter

Exodus 23:31
And I will set thy border from the Red Sea even to the sea of the Philistines, and from the wilderness to the River. For I will deliver the inhabitants of the land into your hand, and thou shall drive them out before thee.
Joshua 15:1
And the lot for the tribe of the sons of Judah according to their families was to the border of Edom, even to the wilderness of Zin southward, at the outermost part of the south.
Ezekiel 47:13
Thus says lord LORD: This shall be the border by which ye shall divide the land for inheritance according to the twelve tribes of Israel. Joseph [shall have two] portions.

Salt sea eastward

Joshua 3:16
that the waters which came down from above, stood, and rose up in one heap a great way off, at Adam, the city that is beside Zarethan, and those that went down toward the sea of the Arabah, even the Salt Sea, were wholly cut off. A
Joshua 15:2
And their south border was from the outermost part of the Salt Sea, from the bay that looks southward.
Ezekiel 47:8
Then said he to me, These waters issue forth toward the eastern region, and shall go down into the Arabah. And they shall go toward the sea, into the sea which were made to issue forth, and the waters shall be healed.